LessWrong's 'Masochistic Prior' urges facing death's horror to drive life extension
A Bayesian rationality concept argues the most painful truth is often the most accurate.
In a viral LessWrong post, Dev.Roland coins 'The Masochistic Prior' as a Bayesian alternative to the uniform prior: in the absence of evidence, assume the option that is most painful to believe reflects reality. Roland applies this to death and mortality, arguing that most people—even atheists—cling to comforting narratives rather than facing the full horror of non-consensual annihilation. He notes that over 100 billion humans have lived, nearly all dead, and every death is as final and premature as death from violence.
Roland then pivots to a call for action: transhumanism and cryonics. The human mind, though complex, occupies only ~85 cubic inches of neural tissue—a finite pattern that can be preserved, understood, and emulated. Rather than passively accepting death, we should treat it as an engineering problem. The piece challenges tech professionals to abandon comforting fictions about the afterlife and instead invest in life-extension technologies. It's a stark, confrontational argument that frames death as the ultimate solvable bug, not a natural inevitability.
- Over 100 billion humans have lived and 90 billion have died, nearly all non-consensually, according to Roland.
- Roland argues that cryonics advocates often fail to convey the 'deep, existential horror' of old age as the number one cause of death.
- The human brain is finite (85 cubic inches), making it theoretically possible to emulate consciousness and defeat death through technology.
Why It Matters
Challenges tech professionals to treat mortality as a solvable engineering problem, not a philosophical abstraction.